> Is this Linux patch series back-ported to older kernels, like the 5.13 kernel that came with my Ubuntu 20.04 installation, or any LTS kernel? I'm not fully familiar with the Linux kernel release behaviour.
The patches were accepted upstream for kernel 5.18. Right now it's not been added to any official Ubuntu kernel package. Your options until it's landed: * There is a PPA that was posted in #12 that has some binary kernels you can try. * You can take binaries from the "mainline" PPA https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.18-rc2/ Neither of those is a sustainable solution; it's just for checking that they work for you. ** Also affects: linux-oem-5.17 (Ubuntu) Importance: Undecided Status: New ** Changed in: linux-oem-5.17 (Ubuntu Focal) Status: New => Invalid ** Changed in: linux-oem-5.17 (Ubuntu Jammy) Status: New => Confirmed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-oem-5.14 in Ubuntu. https://bugs.launchpad.net/bugs/1950062 Title: Unable to access CPU i2c interfaces with AMD "Cezanne" CPU's Status in amd: New Status in linux package in Ubuntu: Confirmed Status in linux-oem-5.14 package in Ubuntu: Invalid Status in linux-oem-5.17 package in Ubuntu: Confirmed Status in linux source package in Focal: Invalid Status in linux-oem-5.14 source package in Focal: Confirmed Status in linux-oem-5.17 source package in Focal: Invalid Status in linux source package in Jammy: Confirmed Status in linux-oem-5.14 source package in Jammy: Invalid Status in linux-oem-5.17 source package in Jammy: Confirmed Status in Arch Linux: New Bug description: OpenRGB uses the CPU SMBus/i2c interfaces to talk to the motherboard RGB controller and the DRAM RGB controllers and after updating my system to a 5700G from a 2400G I see error messages in dmesg for each read and write attempt to the interfaces. If I swap the CPU back on the same install I am able to see and control the RGB interfaces. Another user on the OpenRGB discord with a 5600G is also seeing the same issues. ProblemType: Bug DistroRelease: Ubuntu 21.10 Package: linux-image-5.13.0-20-generic 5.13.0-20.20 ProcVersionSignature: Ubuntu 5.13.0-20.20-generic 5.13.14 Uname: Linux 5.13.0-20-generic x86_64 ApportVersion: 2.20.11-0ubuntu71 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: user 1654 F.... pulseaudio /dev/snd/pcmC1D0p: user 1654 F...m pulseaudio /dev/snd/controlC0: user 1654 F.... pulseaudio CasperMD5CheckResult: pass CurrentDesktop: ubuntu:GNOME Date: Sat Nov 6 16:36:17 2021 InstallationDate: Installed on 2021-09-18 (49 days ago) InstallationMedia: Ubuntu 21.04 "Hirsute Hippo" - Release amd64 (20210420) MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M. ProcEnviron: TERM=xterm-256color PATH=(custom, no username) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 amdgpudrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.13.0-20-generic root=UUID=dc2e65cb-a2e0-408c-a64b-bb0ccc6fdef0 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-5.13.0-20-generic N/A linux-backports-modules-5.13.0-20-generic N/A linux-firmware 1.201.1 SourcePackage: linux UpgradeStatus: Upgraded to impish on 2021-10-17 (20 days ago) dmi.bios.date: 08/11/2021 dmi.bios.release: 5.17 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: P4.60 dmi.board.name: B450 Gaming-ITX/ac dmi.board.vendor: ASRock dmi.chassis.asset.tag: To Be Filled By O.E.M. dmi.chassis.type: 3 dmi.chassis.vendor: To Be Filled By O.E.M. dmi.chassis.version: To Be Filled By O.E.M. dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP4.60:bd08/11/2021:br5.17:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:skuToBeFilledByO.E.M.:rvnASRock:rnB450Gaming-ITX/ac:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.: dmi.product.family: To Be Filled By O.E.M. dmi.product.name: To Be Filled By O.E.M. dmi.product.sku: To Be Filled By O.E.M. dmi.product.version: To Be Filled By O.E.M. dmi.sys.vendor: To Be Filled By O.E.M. To manage notifications about this bug go to: https://bugs.launchpad.net/amd/+bug/1950062/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp